TrafficController - minor cleanup am: 93406acf63

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2124485

Change-Id: Ie5736f218c6620b067aa68160be0514e2ab47151
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>